package com.oauth2.demo2.authentication;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.oauth2.demo2.domain.ReturnInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @ClassName UserContoller
 * @Description 登录失败自定义处理方法
 * @Author Liujt
 * @Date 2020/1/15 14:23
 **/
@Component("imoocAuthenticationFailureHandler")
public class AuthenticationFailureHandler extends SimpleUrlAuthenticationFailureHandler {

    @Autowired
    private ObjectMapper objectMapper;

    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
                                        AuthenticationException exception) throws IOException, ServletException {
        response.setContentType("application/json;charset=UTF-8");
        response.getWriter().write(objectMapper.writeValueAsString(new ReturnInfo(exception.getMessage())));
    }

}
